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7 - Elementary aspects of turbulent flows

from Part 1 - Fundamentals

Ye Zhou
Affiliation:
Lawrence Livermore National Laboratory, California
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Summary

Turbulent flow is a notoriously difficult topic in its own right because it is a truly multi-scale problem with strong nonlinearities. However, in this chapter, I will provide a framework for the key concepts, statistical measurements, and implications for the mixing process, so that the reader can better understand this issue. Both the classic engineering treatment of turbulence as well as the modern statistical closure theories will be introduced and brought together to show the reader how they can be synthesized to describe turbulence mixing induced by hydrodynamic instability driven flows. Some of the key concepts that I will elaborate on include energy transfer and interacting scales. The energy spectrum, and its applicability to RMI and RTI flow, is discussed.

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Chapter
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Hydrodynamic Instabilities and Turbulence
Rayleigh–Taylor, Richtmyer–Meshkov, and Kelvin–Helmholtz Mixing
, pp. 135 - 148
Publisher: Cambridge University Press
Print publication year: 2024

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  • Elementary aspects of turbulent flows
  • Ye Zhou, Lawrence Livermore National Laboratory, California
  • Book: Hydrodynamic Instabilities and Turbulence
  • Online publication: 27 June 2024
  • Chapter DOI: https://doi.org/10.1017/9781108779135.009
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  • Elementary aspects of turbulent flows
  • Ye Zhou, Lawrence Livermore National Laboratory, California
  • Book: Hydrodynamic Instabilities and Turbulence
  • Online publication: 27 June 2024
  • Chapter DOI: https://doi.org/10.1017/9781108779135.009
Available formats
×

Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Elementary aspects of turbulent flows
  • Ye Zhou, Lawrence Livermore National Laboratory, California
  • Book: Hydrodynamic Instabilities and Turbulence
  • Online publication: 27 June 2024
  • Chapter DOI: https://doi.org/10.1017/9781108779135.009
Available formats
×